Switch Mode Power Supply Model Medical Grade Certifications PAM250 Highly Accelerated 250 Watts output power max H . A . L . T. Life Power Factor Correction TESTED Testing Single Output Electrical Specifications Input Voltage: 85-132/180-264 VAC, 47-63 Hz, 1 phase Input Current: <6A RMS 115 VAC full load <3A RMS 230 VAC full load Inrush Current: <35A, pk 265 VAC cold start <75A, pk 132 VAC cold start Harmonic Distortion: Meets EN61000-3-2 for Class A EMI Filtering: Meets CISPR 11 and 22 and FCC Part 15 Class B (conducted) Input Protection: Internal AC line fuse 250 VAC, 8A Output Power: 250W with 25CFM air 130W Convection Line Regulation: 0.3% Thermal Shutdown Standard Load Regulation: 0.5% DC OK: Standard Open Collector PARD: <1% or 50mV 20MHz bandwidth Turn-on Delay: <1 second after application of AC Input Hold-up Time: 16 ms full load (120 VAC) Stability: <0.1% for 8 hours after 1/2-hour warm up Output Polarity: Output is floating Isolation: >20 M 100 VDC between output Minimum Load: 0% of rated load terminals and chassis ground Transient Response: 3% for 25% load change 1A/s AC Power Fail: TTL logic 0 at least 2 ms before 50% duty cycle 50/60 Hz LOW output drops 5% Open collector Output Rise Time: <100 ms (10% to 90%) Overvoltage Protect: Factory set, 125% 5%, Current Limit: 105-130% of rated current Hiccup cycle AC to reset Remote Sense: Compensates for up to 250mV of total cable Reverse Voltage: Output has reverse voltage protection drop Reverse current limited to 100% of output rating Remote On/Off: Optional Efficiency: Up to 85% Leakage Current: < 300 A MTBF: MIL-STD-HDBK 217E >200,000 hours 25C Highly Accelerated Life Testing Available Voltage Outputs* Continuous Voltage Voltages Current Codes (Volts) (Amps) -4 12.0 21 -5 15.0 17 -6 24.0 10.5 -7 28.0 9.0 -8 36.0 7.2 -9 48.0 5.5 * Consult factory for other voltages and OEM quantities. Note: Standard models are shown bold PART STRUCTURE: MODEL - VOLTAGE CODE - OPTION CODES (back) - V1 - PAM250 - X - ABC.... Example: Part Number PAM250-6-OR= 250W Power Factor Corrected, 24V 10.5A with an OR-ring Diode and Remote On/Off. See 3rd page for PAM250 CODE TABLE AND AVAILABLE OPTIONS. Model PAM250 Options (code) Surge & ESD Test Levels EN61000-4-5 Level 3 EN61000-4-2 Level 2 12V 0.5A Aux./Fan Drive (A) Droop Current Share 10% (B) EN61000-3-2 for Class A EN61000-4-2 Level 3 (Air Only) Fan Assembly (C) DC OK Invert (E) EN61000-4-4 Level 3 EN61000-4-11 PF Invert (F) Field-Configurable (G) CISPR 11 and 22 FCC Part 15 Class B (conducted) Single Wire Current Share 5% (I) Square Current Limit (J) Molex Connector (K) Metric Mounting (M) Physical Specifications OR-ing Diode (O) Remote On/Off (R) Remote On/Off Invert (S) Dimensions: (HxWxL) 1.5 x 4.0 x 7 6DIHW &RPSOLDQFH Operating Temp: 0 to 70C rated power to 50C Recognition to UL60601-1 derate linearly to 50% at 70C. CSA C22.2 No. 601.1 Relative Humidity: 5% to 90%, non-condensing BAUART Certification to EN60601-1 Storage: -50 to 85C/20-90% RH CB Test Report in Accordance with IEC60601-1 CE Decleration to Low Voltage Directive 2006/95/EC Altitude: 6561 40,000 storage Copyright 2011 TAMURA CORPORATION OF AMERICA. Specifications subject to change without notice. TAMURA CORPORATION OF AMERICA 1040 South Andreasen Drive, STE. 100 Escondido, CA 92029-1951 (951) 699-1270 / Fax: (951) 676-9482 (800) 472-6624 www.tamuracorp.com